In 2009, the world suddenly became abnormal. The dead who were supposed to sleep underground suddenly resurrected. Since then, zombies have been rampant and many people have died. In order to protect their own safety, humans set up a volunteer army to declare war on zombies. The development of related drugs announced the end of this disaster. Zombies have since been called "partial death syndrome patients". Through drug injections, they can regain their memories and emotions as people and slowly return to society. The young man Gillen Walker (Luke Newberry) was once a member of the zombies. He was looking forward to meeting his parents and family, but his hometown was full of uneasy atmosphere. Although the volunteer army has long been disbanded, the Norton villagers where he is located are tough and conservative. They firmly oppose any returnees, and Gillen's beloved sister Jemima (Harriet Cains) is a member of the local volunteer army. On the long way home, the pain he endured during the period was far greater than the daily drug injections and the cruel memories of the inhuman period. Gillen began another form of battle...